Nasopharyngeal Airway Guide Nasogastric Tube Placement

Overview

Nasogastric tube placement is essential for various surgery and critically ill patients. However, NG tube insertion in anesthetized, paralyzed, and intubated or unconscious patients may be difficult, with reported success rate less 50% on the first attempt without any auxiliary devices. Endotracheal tube intubation narrow the space of oropharynx and hypopharynx. Loss ability to swallow and tongue drop also made the NG tube coil in the mouth easily. Investigators assume nasopharyngeal airway can facilitate NG tube insertion by opening a channel from nostril to epiglottis and reduce complications by protecting nasal cavity while inserting NG.

Full Title of Study: “A Nasopharyngeal Airway Facilitates Nasogastric Intubation in Anesthetized Intubated Patients: A Randomized Controlled Trial”

Study Type

  • Study Type: Interventional
  • Study Design
    • Allocation: Randomized
    • Intervention Model: Parallel Assignment
    • Primary Purpose: Treatment
    • Masking: Single (Participant)
  • Study Primary Completion Date: September 3, 2019

Interventions

  • Procedure: With nasopharyngeal airway
    • Nasopharyngeal airway is previously inserted into selected nostril. NG tube is properly lubricated and placed through Nasopharyngeal airway.
  • Procedure: Without nasopharyngeal airway
    • NG tube is properly lubricated and placed into selected nostril

Arms, Groups and Cohorts

  • Experimental: NG tube placement with nasopharyngeal tube
  • Active Comparator: NG tube placement without nasopharyngeal tube

Clinical Trial Outcome Measures

Primary Measures

  • First attempt successful rate
    • Time Frame: can be know after NG tube placement immediately
    • with or without Nasopharyngeal airway assistance
  • Second attempt successful rate
    • Time Frame: can be know after NG tube placement immediately
    • with or without Nasopharyngeal airway assistance
  • Overall successful rate insertion
    • Time Frame: can be know after NG tube placement immediately
    • with or without Nasopharyngeal airway assistance
  • Time cost during NG tube placement
    • Time Frame: can be know after NG tube placement immediately
    • with or without Nasopharyngeal airway assistance

Secondary Measures

  • Incidence of NG tube coiling
    • Time Frame: can be know after NG tube placement immediately
    • with or without Nasopharyngeal airway assistance during NG tube insertion
  • Incidence of NG tube kinking
    • Time Frame: can be know after NG tube placement immediately
    • with or without Nasopharyngeal airway assistance during NG tube insertion
  • Incidence of NG tube knotting
    • Time Frame: can be know after NG tube placement immediately
    • with or without Nasopharyngeal airway assistance during NG tube insertion
  • Incidence of epistaxis after NG tube placement
    • Time Frame: can be know after NG tube placement immediately
    • with or without Nasopharyngeal airway assistance during NG tube insertion
  • Mean blood pressure change after NG tube placement
    • Time Frame: can be know after NG tube placement immediately
    • with or without Nasopharyngeal airway assistance
  • Heart rate change after NG tube placement
    • Time Frame: can be know after NG tube placement immediately
    • with or without Nasopharyngeal airway assistance

Participating in This Clinical Trial

Inclusion Criteria

  • Patient should be > 20 years old, ASA 1~3 under going schedule general anesthesia with endotracheal tube intubation – Patient who required NG tube placement for perioperative care Exclusion Criteria:

  • Coagulation abnormality (PLT≤100000, INR>1.2 & PT≥13) – Hemodynamic unstable (with inotropic agent use) – Arrythmia – Esophageal varices or stricture, Esophageal cancer, trauma or previous esophageal surgery – Gastric cancer involve cardiac orifice – Corrosive chemical (strong acid or alkali) ingestion – Skull base fracture – Recent nasal surgery, nasal fracture or severe nasal obstruction – Loose teeth that make endotracheal tube can not fix right side

Gender Eligibility: All

Minimum Age: 20 Years

Maximum Age: N/A

Are Healthy Volunteers Accepted: No

Investigator Details

  • Lead Sponsor
    • Chang Gung Memorial Hospital
  • Provider of Information About this Clinical Study
    • Sponsor

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